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math.ST2022
Is it easier to count communities than find them?
Cynthia Rush, Fiona Skerman, Alexander S. Wein +1
Random graph models with community structure have been studied extensively in the literature. For both the problems of detecting and recovering community structure, an interesting…
math.ST2022
The out-of-sample prediction error of the square-root-LASSO and related estimators
José Luis Montiel Olea, Cynthia Rush, Amilcar Velez +1
We study the classical problem of predicting an outcome variable, , using a linear combination of a -dimensional covariate vector, . We are interested in linear p…